Kenwood TK-7180 Service Manual page 13

7. Voice Scrambler Board Connection
1. Remove the front panel from the transceiver.
2. Solder each lead of the scrambler board to a necessary
location of each landing on the component side of the TX-
RX unit (B/3).
3. Wrap the scrambler board in a cushion and install it on the
front of the chassis as shown in Figure 8-2.
Note : You must setup using the KPG-92D.
TX-RX unit (B/3)
Solder land
GND (GND)
RXD1
TXD1 (PTT)
TXD2
RXD2
OPT1 (CODE SELECT1)
OPT3 (CODE SELECT2)
OPT4 (ECHO PTT)
OPT5 (CODE SELECT8)
TCTL
TXO (TX OUT)
AUDIH
OPT2 (SCRAMBLE)
STON
RXEO (RX OUT)
TXI (TX IN)
RXEI (RX IN)
OPT6 (CODE SELECT4)
8C (+V)
Fig. 7
INSTALLATION
5E
DTI
TK-7180/7189
8. ANI Board Connection
1. Remove the front panel from the transceiver.
2. Solder each lead of the scrambler board to a necessary
location of each landing on the component side of the TX-
RX unit (B/3).
3. Wrap the scrambler board in a cushion and install it on the
front of the chassis as shown in Figure 8-2.
Note : You must setup using the KPG-92D.
TX-RX unit (B/3)
Solder land
GND (A–)
RXD1
TXD1
TXD2
RXD2
OPT1 (CH BUSY)
OPT3 (KEY)
OPT4 (PTT)
OPT5 (EMERGENCY)
5E (A+)
DTI (DATA OUT)
TCTL (TONE CTRL)
TXO
AUDIH (AUDIO INHIB)
OPT2 (AUX I/O)
STON (SIDE TONE)
RXEO
TXI
RXEI
OPT6
8C
Fig. 8-1
ANI board
3M double coated cushion
No. 4008 (or No.4408)
25 x 110 mm
Voice scrambler board
Fig. 8-2
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